Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

1 files changed, 147 insertions, 0 deletions

diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
new file mode 100644
index 0000000000..5f32f51940
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+++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.h
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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Header file for ISPTarget.c.
+ */
+
+#ifndef _ISP_TARGET_
+#define _ISP_TARGET_
+
+	/* Includes: */
+		#include <avr/io.h>
+		#include <avr/pgmspace.h>
+		#include <util/delay.h>
+
+		#include <LUFA/Drivers/USB/USB.h>
+		#include <LUFA/Drivers/Peripheral/SPI.h>
+
+		#include "../V2Protocol.h"
+		#include "ISPProtocol.h"
+		#include "Config/AppConfig.h"
+
+	/* Preprocessor Checks: */
+		#if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1))
+			#undef ENABLE_ISP_PROTOCOL
+
+			#if !defined(ENABLE_XPROG_PROTOCOL)
+				#define ENABLE_XPROG_PROTOCOL
+			#endif
+		#endif
+
+	/* Macros: */
+		/** Low level device command to issue an extended FLASH address, for devices with over 128KB of FLASH. */
+		#define LOAD_EXTENDED_ADDRESS_CMD     0x4D
+
+		/** Macro to convert an ISP frequency to a number of timer clock cycles for the software SPI driver. */
+		#define TIMER_COMP(freq)              (((F_CPU / 8) / 2 / freq) - 1)
+
+		/** ISP rescue clock speed in Hz, for clocking targets with incorrectly set fuses. */
+		#define ISP_RESCUE_CLOCK_SPEED        4000000
+
+	/* External Variables: */
+		extern bool HardwareSPIMode;
+
+	/* Function Prototypes: */
+		void    ISPTarget_EnableTargetISP(void);
+		void    ISPTarget_DisableTargetISP(void);
+		void    ISPTarget_ConfigureRescueClock(void);
+		void    ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration);
+		uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte);
+		void    ISPTarget_ChangeTargetResetLine(const bool ResetTarget);
+		uint8_t ISPTarget_WaitWhileTargetBusy(void);
+		void    ISPTarget_LoadExtendedAddress(void);
+		uint8_t ISPTarget_WaitForProgComplete(const uint8_t ProgrammingMode,
+		                                      const uint16_t PollAddress,
+		                                      const uint8_t PollValue,
+		                                      const uint8_t DelayMS,
+		                                      const uint8_t ReadMemCommand);
+
+	/* Inline Functions: */
+		/** Sends a byte of ISP data to the attached target, using the appropriate SPI hardware or
+		 *  software routines depending on the selected ISP speed.
+		 *
+		 *  \param[in] Byte  Byte of data to send to the attached target
+		 */
+		static inline void ISPTarget_SendByte(const uint8_t Byte)
+		{
+			if (HardwareSPIMode)
+			  SPI_SendByte(Byte);
+			else
+			  ISPTarget_TransferSoftSPIByte(Byte);
+		}
+
+		/** Receives a byte of ISP data from the attached target, using the appropriate
+		 *  SPI hardware or software routines depending on the selected ISP speed.
+		 *
+		 *  \return Received byte of data from the attached target
+		 */
+		static inline uint8_t ISPTarget_ReceiveByte(void)
+		{
+			uint8_t ReceivedByte;
+
+			if (HardwareSPIMode)
+			  ReceivedByte = SPI_ReceiveByte();
+			else
+			  ReceivedByte = ISPTarget_TransferSoftSPIByte(0x00);
+
+			#if defined(INVERTED_ISP_MISO)
+			return ~ReceivedByte;
+			#else
+			return  ReceivedByte;
+			#endif
+		}
+
+		/** Sends and receives a byte of ISP data to and from the attached target, using the
+		 *  appropriate SPI hardware or software routines depending on the selected ISP speed.
+		 *
+		 *  \param[in] Byte  Byte of data to send to the attached target
+		 *
+		 *  \return Received byte of data from the attached target
+		 */
+		static inline uint8_t ISPTarget_TransferByte(const uint8_t Byte)
+		{
+			uint8_t ReceivedByte;
+
+			if (HardwareSPIMode)
+			  ReceivedByte = SPI_TransferByte(Byte);
+			else
+			  ReceivedByte = ISPTarget_TransferSoftSPIByte(Byte);
+
+			#if defined(INVERTED_ISP_MISO)
+			return ~ReceivedByte;
+			#else
+			return  ReceivedByte;
+			#endif
+		}
+
+#endif
+